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df1e1598a5
Copyright update. Switch back to the version where the sentinel points to itself. Remove alternative versions of swap. Workaround a borland bug or two. More consistent use of class/swap/template. Avoid a few warnings. Add a no-throw swap to the allocator for exception testing. [SVN r3793]
95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
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// Copyright 2005-2007 Daniel James.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#if !defined(BOOST_UNORDERED_TESTS_EQUIVALENT_HEADER)
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#define BOOST_UNORDERED_TESTS_EQUIVALENT_HEADER
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#include <boost/unordered_map.hpp>
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#include <boost/unordered_set.hpp>
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#include <vector>
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#include <algorithm>
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#include "./metafunctions.hpp"
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#include "./fwd.hpp"
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namespace test
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{
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template <class T1, class T2>
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bool equivalent_impl(T1 const& x, T2 const& y, base_type) {
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return x == y;
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}
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template <class T>
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bool equivalent_impl(boost::hash<T> const&, boost::hash<T> const&, derived_type) {
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return true;
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}
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template <class T>
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bool equivalent_impl(std::equal_to<T> const&, std::equal_to<T> const&, derived_type) {
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return true;
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}
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template <class T1, class T2, class T3, class T4>
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bool equivalent_impl(std::pair<T1, T2> const& x1,
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std::pair<T3, T4> const& x2, derived_type) {
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return equivalent_impl(x1.first, x2.first, derived) &&
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equivalent_impl(x1.second, x2.second, derived);
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}
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struct equivalent_type {
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template <class T1, class T2>
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bool operator()(T1 const& x, T2 const& y) {
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return equivalent_impl(x, y, derived);
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}
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};
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namespace {
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equivalent_type equivalent;
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}
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template <class Container>
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class unordered_equivalence_tester
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{
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typename Container::size_type size_;
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typename Container::hasher hasher_;
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typename Container::key_equal key_equal_;
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float max_load_factor_;
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typedef typename non_const_value_type<Container>::type value_type;
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std::vector<value_type> values_;
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public:
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unordered_equivalence_tester(Container const &x)
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: size_(x.size()),
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hasher_(x.hash_function()), key_equal_(x.key_eq()),
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max_load_factor_(x.max_load_factor()),
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values_()
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{
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// Can't initialise values_ straight from x because of Visual C++ 6
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values_.reserve(x.size());
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std::copy(x.begin(), x.end(), std::back_inserter(values_));
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std::sort(values_.begin(), values_.end());
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}
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bool operator()(Container const& x) const
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{
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if(!((size_ == x.size()) &&
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(test::equivalent(hasher_, x.hash_function())) &&
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(test::equivalent(key_equal_, x.key_eq())) &&
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(max_load_factor_ == x.max_load_factor()) &&
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(values_.size() == x.size()))) return false;
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std::vector<value_type> copy;
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copy.reserve(x.size());
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std::copy(x.begin(), x.end(), std::back_inserter(copy));
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std::sort(copy.begin(), copy.end());
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return(std::equal(values_.begin(), values_.end(), copy.begin()));
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}
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private:
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unordered_equivalence_tester();
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};
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}
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#endif
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